Catheter hub



FIG. 1 is a left front bottom isometric view of a catheter hub in accordance with the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a left front bottom isometric view with the strain relief and sealing mechanism attached.

The broken lines shown in FIGS. 2-4 and FIGS. 6-8 illustrate portions of the catheter hub that form no part of the claimed design. 

CLAIM The ornamental design for a catheter hub, as shown and described. 